Post-harvest residue input to cropland

Total annual input of carbon with crop residues to the soils in Missouri (North Central Region of the USA) was found to be about 3.7 t ha⁻¹ for wheat, 3.4 t ha⁻¹ for soybeans and 9.2 t ha⁻¹ for corn. Root biomass represented 40-50% of total residues and its accumulation appears to be influenced by c...

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Veröffentlicht in:	Plant and soil 1986-02, Vol.93 (1), p.57-65
Hauptverfasser:	BUYANOVSKY, G. A., WAGNER, G. H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Agricultural soils Agronomy. Soil science and plant productions Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Biomass production Carbon Chemical, physicochemical, biochemical and biological properties Corn Energy crops Fundamental and applied biological sciences. Psychology Organic matter Physics, chemistry, biochemistry and biology of agricultural and forest soils Plant roots Plants Productivity Soil science Soybeans Synecology Terrestrial ecosystems Wheat
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Beschreibung
Zusammenfassung:	Total annual input of carbon with crop residues to the soils in Missouri (North Central Region of the USA) was found to be about 3.7 t ha⁻¹ for wheat, 3.4 t ha⁻¹ for soybeans and 9.2 t ha⁻¹ for corn. Root biomass represented 40-50% of total residues and its accumulation appears to be influenced by climatic conditions. Estimates of carbon outflow from the ecosystem in the form of CO₂ were in good agreement with the biomass input.
ISSN:	0032-079X 1573-5036
DOI:	10.1007/BF02377145